remove myself as codeowner of the insteon binding (openhab#17100)

Signed-off-by: Rob Nielsen <rob.nielsen@yahoo.com>

CODEOWNERS

@@ -163,7 +163,7 @@
 /bundles/org.openhab.binding.icalendar/ @openhab/add-ons-maintainers
 /bundles/org.openhab.binding.icloud/ @openhab/add-ons-maintainers
 /bundles/org.openhab.binding.ihc/ @paulianttila
-/bundles/org.openhab.binding.insteon/ @robnielsen
+/bundles/org.openhab.binding.insteon/ @openhab/add-ons-maintainers
 /bundles/org.openhab.binding.intesis/ @hmerk
 /bundles/org.openhab.binding.iotawatt/ @PRosenb
 /bundles/org.openhab.binding.ipcamera/ @Skinah